Home / 109,135,713.60-163,703,570.40-54,556,722.90

Finding the Fourth Proportional to 109,135,713.60, 163,703,570.40 and 54,556,722.90

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Solution

The fourth proportional to 109,135,713.60, 163,703,570.40 and 54,556,722.90 is: 81,835,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,135,713.60 : 163,703,570.40 = 54,556,722.90 : x
  2. Step 2: Convert to fraction form
    109,135,713.60/163,703,570.40 = 54,556,722.90/x
  3. Step 3: Cross multiply
    109,135,713.60x = 163,703,570.40 × 54,556,722.90
  4. Step 4: Simplify right side
    109,135,713.60x = 8,931,130,328,053,442
  5. Step 5: Solve for x
    x = 8,931,130,328,053,442/109,135,713.60
  6. Step 6: Final answer
    x = 81,835,084.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.